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Important Questions Test: Nutrition in Animals - Class 7 MCQ


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15 Questions MCQ Test Science Class 7 - Important Questions Test: Nutrition in Animals

Important Questions Test: Nutrition in Animals for Class 7 2024 is part of Science Class 7 preparation. The Important Questions Test: Nutrition in Animals questions and answers have been prepared according to the Class 7 exam syllabus.The Important Questions Test: Nutrition in Animals MCQs are made for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions Test: Nutrition in Animals below.
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Important Questions Test: Nutrition in Animals - Question 1

What is the primary purpose of digestion in our body?

Detailed Solution for Important Questions Test: Nutrition in Animals - Question 1

Digestion in our body helps to break down the complex substances in the food we eat into simpler ones so that our body can use them easily. It's like when you eat a big piece of cake, digestion helps to change it into smaller pieces so your body can take the good parts and use them to make you strong and healthy.

Important Questions Test: Nutrition in Animals - Question 2

In digestion the unused parts of the food are________.

Detailed Solution for Important Questions Test: Nutrition in Animals - Question 2

The unused parts of the food are defecated. Option B is correct

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Important Questions Test: Nutrition in Animals - Question 3

Cellulose digestion in ruminants occurs in ________.

Detailed Solution for Important Questions Test: Nutrition in Animals - Question 3

Cellulose digestion in ruminants like cattle occurs in the rumen or foregut that harbors bacteria that bring about breakdown of cellulose through fermentation. Here, mechanical digestion also occurs by converting ingested food into cud.
So, the correct answer is option B

Important Questions Test: Nutrition in Animals - Question 4

 Where does the digestion of proteins begin in humans?

Detailed Solution for Important Questions Test: Nutrition in Animals - Question 4

Digestion of protein starts in stomach of human digestive tract. When we consume food, digestion is a crucial process that must occur at regular intervals. Digestion necessitates the use of specialised enzymes that act on specific compounds. The enzyme pepsin is responsible for the digestion of proteins.

Important Questions Test: Nutrition in Animals - Question 5

Which are cutting teeth in humans?

Detailed Solution for Important Questions Test: Nutrition in Animals - Question 5

The incisors are called cutting teeth because they present a sharp cutting edge, adapted for biting the food. They are eight in number, and form the four front teeth in each dental unit.
So, option B is the correct option.

Important Questions Test: Nutrition in Animals - Question 6
Where do amoebas digest their food?
Detailed Solution for Important Questions Test: Nutrition in Animals - Question 6
Amoebas digest their food in food vacuoles, where enzymes break down the food particles into simpler substances that can be absorbed by the cell.
Important Questions Test: Nutrition in Animals - Question 7
Where is bile stored temporarily before being released into the small intestine?
Detailed Solution for Important Questions Test: Nutrition in Animals - Question 7
Bile is stored temporarily in the gallbladder before being released into the small intestine to aid in the digestion and emulsification of fats.
Important Questions Test: Nutrition in Animals - Question 8

What is the primary organelle in Amoeba responsible for regulating its movement and maintaining its shape?

Detailed Solution for Important Questions Test: Nutrition in Animals - Question 8

An amoeba, often called amoeboid, is a type of cell or organism which has the ability to alter its shape, primarily by extending and retracting pseudopods. Amoebas do not form a single taxonomic group; instead, they are found in every major lineage of eukaryotic organisms

Important Questions Test: Nutrition in Animals - Question 9
Why do we get instant energy from glucose?
Detailed Solution for Important Questions Test: Nutrition in Animals - Question 9
Glucose provides instant energy because it is a simple sugar that does not require digestion and can be quickly absorbed into the bloodstream, providing immediate energy to cells.
Important Questions Test: Nutrition in Animals - Question 10
Where does the digestion of starch start in the human body?
Detailed Solution for Important Questions Test: Nutrition in Animals - Question 10
The digestion of starch begins in the mouth where the enzyme amylase, present in saliva, starts breaking down starch into simpler sugars.
Important Questions Test: Nutrition in Animals - Question 11
What role does the tongue play in the digestion process?
Detailed Solution for Important Questions Test: Nutrition in Animals - Question 11
The tongue helps mix food with saliva, which contains enzymes like amylase that begin the digestion of carbohydrates. This process helps form a bolus that is easier to swallow.
Important Questions Test: Nutrition in Animals - Question 12
Where does the complete digestion of food occur?
Detailed Solution for Important Questions Test: Nutrition in Animals - Question 12
The small intestine is the primary site for the complete digestion of food. Here, digestive enzymes break down carbohydrates, proteins, and fats into their absorbable units.
Important Questions Test: Nutrition in Animals - Question 13
Which part of the digestive canal is responsible for the formation of feces?
Detailed Solution for Important Questions Test: Nutrition in Animals - Question 13
The large intestine absorbs water and salts from the undigested food, converting it into solid waste or feces, which is then stored in the rectum until it is excreted.
Important Questions Test: Nutrition in Animals - Question 14
What is the function of the rectum in the human digestive system?
Detailed Solution for Important Questions Test: Nutrition in Animals - Question 14
The rectum stores feces temporarily before they are expelled from the body through the anus. This storage allows for controlled defecation.
Important Questions Test: Nutrition in Animals - Question 15
In which part of the human digestive system does the digestion of starch begin?
Detailed Solution for Important Questions Test: Nutrition in Animals - Question 15
The digestion of starch begins in the mouth where the enzyme amylase, present in saliva, breaks down starch into simpler sugars.
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